Dynamic Selection Of JsonView in Spring MVC Controller

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On the off chance someone else wants to achieve the same thing, it actually is very simple.

You can directly return aorg.springframework.http.converter.json.MappingJacksonValue instance from your controller that contains both the object that you want to serialise and the view class.

This will be picked up by the org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter#writeInternal method and the appropriate view will be used.

It works something like this:

@RequestMapping(value = "/accounts/{id}", method = GET, produces = APPLICATION_JSON_VALUE)
public MappingJacksonValue getAccount(@PathVariable("id") String accountId, @AuthenticationPrincipal User user) {
    final Account account = accountService.get(accountId);
    final MappingJacksonValue result = new MappingJacksonValue(account);
    final Class<? extends View> view = accountPermissionsService.getViewForUser(user);
    result.setSerializationView(view);
    return result;
}

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